1 files changed, 249 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/include/nvgpu/acr/acr_lsfm.h b/drivers/gpu/nvgpu/include/nvgpu/acr/acr_lsfm.h
new file mode 100644
index 00000000..70184934
--- /dev/null
+++ b/drivers/gpu/nvgpu/include/nvgpu/acr/acr_lsfm.h
@@ -0,0 +1,249 @@
+/*
+ * Copyright (c) 2017, NVIDIA CORPORATION.  All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+#ifndef __ACR_LSFM_H__
+#define __ACR_LSFM_H__
+
+#ifndef __NVGPU_ACR_H__
+#warning "acr_lsfm.h not included from nvgpu_acr.h!" \
+        "Include nvgpu_acr.h instead of acr_xxx.h to get access to ACR interfaces"
+#endif
+
+/*
+ * Falcon Id Defines
+ * Defines a common Light Secure Falcon identifier.
+ */
+#define LSF_FALCON_ID_PMU       (0)
+#define LSF_FALCON_ID_RESERVED  (1)
+#define LSF_FALCON_ID_FECS      (2)
+#define LSF_FALCON_ID_GPCCS     (3)
+#define LSF_FALCON_ID_SEC2      (7)
+#define LSF_FALCON_ID_END       (11)
+#define LSF_FALCON_ID_INVALID   (0xFFFFFFFF)
+
+/*
+ * Light Secure Falcon Ucode Description Defines
+ * This structure is prelim and may change as the ucode signing flow evolves.
+ */
+struct lsf_ucode_desc {
+        u8  prd_keys[2][16];
+        u8  dbg_keys[2][16];
+        u32 b_prd_present;
+        u32 b_dbg_present;
+        u32 falcon_id;
+};
+
+struct lsf_ucode_desc_v1 {
+        u8  prd_keys[2][16];
+        u8  dbg_keys[2][16];
+        u32 b_prd_present;
+        u32 b_dbg_present;
+        u32 falcon_id;
+        u32 bsupports_versioning;
+        u32 version;
+        u32 dep_map_count;
+        u8  dep_map[LSF_FALCON_ID_END * 2 * 4];
+        u8  kdf[16];
+};
+
+/*
+ * Light Secure WPR Header
+ * Defines state allowing Light Secure Falcon bootstrapping.
+ */
+struct lsf_wpr_header {
+        u32 falcon_id;
+        u32 lsb_offset;
+        u32 bootstrap_owner;
+        u32 lazy_bootstrap;
+        u32 status;
+};
+
+struct lsf_wpr_header_v1 {
+        u32 falcon_id;
+        u32 lsb_offset;
+        u32 bootstrap_owner;
+        u32 lazy_bootstrap;
+        u32 bin_version;
+        u32 status;
+};
+/*
+ * Bootstrap Owner Defines
+ */
+#define LSF_BOOTSTRAP_OWNER_DEFAULT (LSF_FALCON_ID_PMU)
+
+/*
+ * Image Status Defines
+ */
+#define LSF_IMAGE_STATUS_NONE                           (0)
+#define LSF_IMAGE_STATUS_COPY                           (1)
+#define LSF_IMAGE_STATUS_VALIDATION_CODE_FAILED         (2)
+#define LSF_IMAGE_STATUS_VALIDATION_DATA_FAILED         (3)
+#define LSF_IMAGE_STATUS_VALIDATION_DONE                (4)
+#define LSF_IMAGE_STATUS_VALIDATION_SKIPPED             (5)
+#define LSF_IMAGE_STATUS_BOOTSTRAP_READY                (6)
+
+/*Light Secure Bootstrap header related defines*/
+#define NV_FLCN_ACR_LSF_FLAG_LOAD_CODE_AT_0_FALSE       0
+#define NV_FLCN_ACR_LSF_FLAG_LOAD_CODE_AT_0_TRUE        1
+#define NV_FLCN_ACR_LSF_FLAG_DMACTL_REQ_CTX_FALSE       0
+#define NV_FLCN_ACR_LSF_FLAG_DMACTL_REQ_CTX_TRUE        4
+#define NV_FLCN_ACR_LSF_FLAG_FORCE_PRIV_LOAD_TRUE       8
+#define NV_FLCN_ACR_LSF_FLAG_FORCE_PRIV_LOAD_FALSE      0
+
+/*
+ * Light Secure Bootstrap Header
+ * Defines state allowing Light Secure Falcon bootstrapping.
+ */
+struct lsf_lsb_header {
+        struct lsf_ucode_desc signature;
+        u32 ucode_off;
+        u32 ucode_size;
+        u32 data_size;
+        u32 bl_code_size;
+        u32 bl_imem_off;
+        u32 bl_data_off;
+        u32 bl_data_size;
+        u32 app_code_off;
+        u32 app_code_size;
+        u32 app_data_off;
+        u32 app_data_size;
+        u32 flags;
+};
+
+struct lsf_lsb_header_v1 {
+        struct lsf_ucode_desc_v1 signature;
+        u32 ucode_off;
+        u32 ucode_size;
+        u32 data_size;
+        u32 bl_code_size;
+        u32 bl_imem_off;
+        u32 bl_data_off;
+        u32 bl_data_size;
+        u32 app_code_off;
+        u32 app_code_size;
+        u32 app_data_off;
+        u32 app_data_size;
+        u32 flags;
+};
+
+/*
+ * Light Secure WPR Content Alignments
+ */
+#define LSF_LSB_HEADER_ALIGNMENT    256
+#define LSF_BL_DATA_ALIGNMENT       256
+#define LSF_BL_DATA_SIZE_ALIGNMENT  256
+#define LSF_BL_CODE_SIZE_ALIGNMENT  256
+
+#define LSF_UCODE_DATA_ALIGNMENT 4096
+
+/*
+ * Supporting maximum of 2 regions.
+ * This is needed to pre-allocate space in DMEM
+ */
+#define NVGPU_FLCN_ACR_MAX_REGIONS                (2)
+#define LSF_BOOTSTRAP_OWNER_RESERVED_DMEM_SIZE    (0x200)
+
+/*
+ * start_addr     - Starting address of region
+ * end_addr       - Ending address of region
+ * region_id      - Region ID
+ * read_mask      - Read Mask
+ * write_mask     - WriteMask
+ * client_mask    - Bit map of all clients currently using this region
+ */
+struct flcn_acr_region_prop {
+        u32 start_addr;
+        u32 end_addr;
+        u32 region_id;
+        u32 read_mask;
+        u32 write_mask;
+        u32 client_mask;
+};
+
+struct flcn_acr_region_prop_v1 {
+        u32 start_addr;
+        u32 end_addr;
+        u32 region_id;
+        u32 read_mask;
+        u32 write_mask;
+        u32 client_mask;
+        u32 shadowmMem_startaddress;
+};
+
+/*
+ * no_regions   - Number of regions used.
+ * region_props   - Region properties
+ */
+struct flcn_acr_regions {
+        u32 no_regions;
+        struct flcn_acr_region_prop region_props[NVGPU_FLCN_ACR_MAX_REGIONS];
+};
+
+struct flcn_acr_regions_v1 {
+        u32 no_regions;
+        struct flcn_acr_region_prop_v1 region_props[NVGPU_FLCN_ACR_MAX_REGIONS];
+};
+/*
+ * reserved_dmem-When the bootstrap owner has done bootstrapping other falcons,
+ *                and need to switch into LS mode, it needs to have its own
+ *                actual DMEM image copied into DMEM as part of LS setup. If
+ *                ACR desc is at location 0, it will definitely get overwritten
+ *                causing data corruption. Hence we are reserving 0x200 bytes
+ *                to give room for any loading data. NOTE: This has to be the
+ *                first member always
+ * signature    - Signature of ACR ucode.
+ * wpr_region_id - Region ID holding the WPR header and its details
+ * wpr_offset    - Offset from the WPR region holding the wpr header
+ * regions       - Region descriptors
+ * nonwpr_ucode_blob_start -stores non-WPR start where kernel stores ucode blob
+ * nonwpr_ucode_blob_end   -stores non-WPR end where kernel stores ucode blob
+ */
+struct flcn_acr_desc {
+        union {
+                u32 reserved_dmem[(LSF_BOOTSTRAP_OWNER_RESERVED_DMEM_SIZE/4)];
+                u32 signatures[4];
+        } ucode_reserved_space;
+        /*Always 1st*/
+        u32 wpr_region_id;
+        u32 wpr_offset;
+        u32 mmu_mem_range;
+        struct flcn_acr_regions regions;
+        u32 nonwpr_ucode_blob_size;
+        u64 nonwpr_ucode_blob_start;
+};
+
+struct flcn_acr_desc_v1 {
+        union {
+                u32 reserved_dmem[(LSF_BOOTSTRAP_OWNER_RESERVED_DMEM_SIZE/4)];
+        } ucode_reserved_space;
+        u32 signatures[4];
+        /*Always 1st*/
+        u32 wpr_region_id;
+        u32 wpr_offset;
+        u32 mmu_mem_range;
+        struct flcn_acr_regions_v1 regions;
+        u32 nonwpr_ucode_blob_size;
+        u64 nonwpr_ucode_blob_start;
+        u32 dummy[4];  /* ACR_BSI_VPR_DESC */
+};
+
+
+#endif /* __ACR_LSFM_H__ */